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Next: Introduction

Long Delayed Echoes

Kenneth E. Harker WM5R
wm5r@arrl.net

26 August 2002

Introduction
What is a Long Delayed Echo?
LDE Characteristics
Who Has Heard LDEs?
Who Has Not Heard LDEs?
W6QYT and W6YX experiments
Psychological Effects
Hoaxes
Parametric Ionospheric Amplification
Correlation with Magnetic Fields
Magnetospheric Ducting Theory
Lagrangian Point Hypothesis
HF EME Hypothesis
138ms Periodicity Theory
Solar Cloud Hypothesis
Cosmic Repeater Hypothesis
Conclusion
Bibliography
About this document ...

Ken Harker WM5R wm5r@arrl.net
Last updated: 26 August 2002